Wolfgang Kreutzer and Malcolm Stairmand. "C-Flavours: A Scheme-based Flavour System with Co-routines and its Application to the Design of Object-Oriented Software". Journal of Computer Languages. Vol. 15. Num. 4. 1990.

Hidehiko Masuhara and Akinori Yonezawa. "Design and Partial Evaluation of Meta-objects for a Concurrent Reflective Language". European Conference on Object-Oriented Programming (ECOOP'98). July 1998. Available online: pspdf.